About Stratz Heating & Cooling, Inc. Big Rapids's Premier Geothermal Source If you are looking for a company that has a complete in-house operation and a proven track record for helping homeowners with all of their WaterFurnace Big Rapids geothermal heating and cooling needs, you can trust Stratz Heating & Cooling, Inc.. Our complete in-house operation includes... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Delivering total customer satisfaction is our highest priority in the Big Rapids area, and our highly qualified professional staff will see to that.It's hard not to be satisfied when you select the best heating and cooling system in the industry today. We will see to it that your new system meets all of your expectations, helping you to reduce your energy costs and increase your home's conditioning efficiency. Contact Stratz Heating & Cooling, Inc. today to get a free estimate and a cost savings analysis for your home.